CN102213425B - Combustor liners for turbine engines - Google Patents
Combustor liners for turbine engines Download PDFInfo
- Publication number
- CN102213425B CN102213425B CN201110087119.3A CN201110087119A CN102213425B CN 102213425 B CN102213425 B CN 102213425B CN 201110087119 A CN201110087119 A CN 201110087119A CN 102213425 B CN102213425 B CN 102213425B
- Authority
- CN
- China
- Prior art keywords
- liner
- trailing
- air deflector
- sloped portion
- cylindrical
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000010790 dilution Methods 0.000 claims description 7
- 239000012895 dilution Substances 0.000 claims description 7
- 230000007423 decrease Effects 0.000 claims 2
- 230000002250 progressing effect Effects 0.000 abstract 2
- 238000002485 combustion reaction Methods 0.000 description 78
- 238000001816 cooling Methods 0.000 description 9
- 239000000446 fuel Substances 0.000 description 7
- 239000000203 mixture Substances 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 4
- 230000007704 transition Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
- F23R3/00—Continuous combustion chambers using liquid or gaseous fuel
- F23R3/002—Wall structures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02K—JET-PROPULSION PLANTS
- F02K1/00—Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto
- F02K1/78—Other construction of jet pipes
- F02K1/82—Jet pipe walls, e.g. liners
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02K—JET-PROPULSION PLANTS
- F02K9/00—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof
- F02K9/08—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof using solid propellants
- F02K9/32—Constructional parts; Details not otherwise provided for
- F02K9/34—Casings; Combustion chambers; Liners thereof
- F02K9/346—Liners, e.g. inhibitors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
- F23R3/00—Continuous combustion chambers using liquid or gaseous fuel
- F23R3/02—Continuous combustion chambers using liquid or gaseous fuel characterised by the air-flow or gas-flow configuration
- F23R3/04—Air inlet arrangements
- F23R3/06—Arrangement of apertures along the flame tube
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
- F23R2900/00—Special features of, or arrangements for continuous combustion chambers; Combustion processes therefor
- F23R2900/03043—Convection cooled combustion chamber walls with means for guiding the cooling air flow
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
- F23R2900/00—Special features of, or arrangements for continuous combustion chambers; Combustion processes therefor
- F23R2900/03045—Convection cooled combustion chamber walls provided with turbolators or means for creating turbulences to increase cooling
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Gas Burners (AREA)
- Spray-Type Burners (AREA)
Abstract
The invention relates to a combustor liner for a turbine engine, particularly to a combustor liner for a turbine engine combustor, including a single-walled generally cylindrical liner 20 that extends from a head end to an aft end, a venturi 26 that is formed on the combustor liner at a location between the head and aft ends. The venturi is formed by a first inclined portion 73 of the single-walled liner that reduces in diameter while progressing in the aft direction and a second inclined portion 75 of the single-walled liner that increases in diameter while progressing in the aft direction. An aft end of the first inclined portion is joined to a head end of the second inclined portion.
Description
Technical field
The present invention relates to the combustion liner for turbogenerator.
Background technology
The turbogenerator that generates (for example, generating) industry for power generally include by a plurality of burners around compressor section.These burners become concentric ring around the disposed outside of compressor.Compressed air from compressor section is fed in burner, this its, mixes mutually with fuel.Then fuel-air mixture burns in burner, and in the turbine of the burning gases of heat introducing engine, in order to the motive power that makes turbine operation to be provided.
Typical turbogenerator burner can comprise combustion liner, the combustion zone that this bush ring burns therein around fuel-air mixture.The burner of some types is included in the Venturi tube (venturi) in combustion liner, and this Venturi tube is that the reduced diameter portion of combustion liner inside is divided substantially.
The reduced diameter portion of the formation Venturi tube of combustion liner divides common needs special cooling to prevent that the material that forms Venturi tube from being damaged by hot combustion gas.This realizes by double-walled structure is set conventionally, and in double-walled structure, the annular space that cooling-air is flowed through between the inner and outer wall of Venturi tube section is with cooling this venturi area under control section.Regrettably, this complex structure, and may be very difficult and expensive for manufacture.In addition, the complexity of double-walled Venturi tube section causes air leakage conventionally, and this can reduce the overall efficiency of turbine, also can cause producing undesirable combustion by-products.
Summary of the invention
On the one hand, the present invention is embodied in a kind of combustion liner for turbogenerator burner, and wherein, combustion liner is formed by the substantial cylindrical lining that extends to the single wall formula of tail end from head end.Combustion liner comprises the Venturi tube between head end and tail end that is formed on bush inside.Venturi tube is formed by the first sloping portion of single wall formula lining and the second sloping portion of single wall formula lining, wherein, the first sloping portion diameter when caudad direction (aft direction) is above extended reduces, and the second sloping portion diameter when caudad side extends upward increases.The tail end of the first sloping portion is attached on the head end of the second sloping portion.
On the other hand, the present invention is embodied in a kind of combustion liner for turbogenerator burner, and wherein, combustion liner is formed by the single wall formula lining that extends to tail end from head end.In single wall formula lining, between head end and tail end, form reduced diameter portion and divide, this reduced diameter portion is divided in the inside of lining formation Venturi tube.Air deflector (deflector) is arranged on the outside of single wall formula lining to have annular space between the inside of air deflector and the outside of lining.Air deflector flows through the outside along lining part air stream from tail end head-end deflects into insert diameter and reduces outside partly.
Accompanying drawing explanation
Fig. 1 is the sectional view that comprises the representative burner of combustion liner, and this combustion liner has double-walled Venturi tube;
Fig. 2 is the burner sectional view that comprises single wall formula combustion liner, and this single wall formula combustion liner has Venturi tube;
Fig. 3 is the sectional view of a part of an embodiment of single wall formula combustion liner, and this single wall formula combustion liner comprises air deflector;
Fig. 4 is the sectional view of a part of another embodiment of single wall formula combustion liner, and this single wall formula combustion liner comprises air deflector;
Fig. 5 is the sectional view of a part of another embodiment of single wall formula combustion liner, and this single wall formula combustion liner comprises air deflector;
Fig. 6 is the sectional view of a part of another embodiment of single wall formula combustion liner, and this single wall formula combustion liner comprises air deflector; And
Fig. 7 is the sectional view of a part for single wall formula combustion liner, and this single wall formula combustion liner comprises Venturi tube.
Parts List
Transition member 10
Compressor section 12
Combustion liner 20
Outer wall 21,22
Reduced diameter portion divides 22
Airport 23
Inwall 24
The annular space 25 of Venturi tube
Venturi tube section 26
Tail end 27
Flow sleeve 30
Burner housing 40
Main fuel spray nozzle 50
Auxiliary fuel nozzle 60
Deflector 70
Annular space 72 in deflector
Dilution holes 74
Flow spoiler ring 76
Combustion zone 95
The specific embodiment
Fig. 1 shows the sectional view for the representative burner of turbogenerator.Burner is positioned to the compressor section 12 of contiguous turbogenerator.Burner comprises transition member 10, and this transition member is led to the turbine of engine.Combustion liner 20 is connected in transition member 10.The combustion zone 95 that combustion liner 20 burns therein around fuel-air mixture.
At the head end of burner, a plurality of main fuel spray nozzles 50 are located with circular pattern around the periphery of burner.Burner also can comprise the pilot jet 60 that is positioned at burner central authorities.Fuel is delivered to the inside of combustion liner 20 by nozzle 50,60.
Flow sleeve 30 is around the location, outside of combustion liner 20.Burner housing 40 is around the outside of flow sleeve 30.Between the outside of combustion liner 20 and the inside of flow sleeve 30, form annular space.As shown by the arrows in Figure 1, from the compressed air of the compressor section 12 of turbogenerator, flow into and pass through this annular space.
Compressed air enters the tail end of the annular space between combustion liner 20 and flow sleeve 30, and then to the head end of burner, advances.When compressed air arrives head end, it turns to 180 ° and then enter the inside of combustion liner 20.Then compressed air mix mutually with the fuel of carrying by fuel nozzle 50,60, and fuel-air mixture burns in combustion zone 95.
As shown in Figure 1, Venturi tube 26 is positioned at the inside of combustion liner 20.Venturi tube 26 is by comprising inwall 24 and becoming the double-walled structure of angie type outer wall 21,22 to be formed.Thereby airport 23 is formed on into and in angie type outer wall 21/22, allows to flow through the air stream via hole 23 of the annular space between combustion liner 20 and flow sleeve 30 and enter in the one-tenth angie type outer wall 21/22 and the space between inwall 24 that is formed on Venturi tube 26.
The double-walled structure of Venturi tube is designed to help cooling Venturi tube 26, thereby prevents that Venturi tube is overheated and be damaged.As shown by the arrows in Figure 1, the air that flows through into the hole 23 in angie type outer wall 21/22 flows along the annular space between the inner and outer wall of Venturi tube, and the fuel-air mixture that finally burns in the tail end 27 of Venturi tube inwall 24 is discharged and is added in combustion liner 20 inside of this air.As a result, the final inside that allows air to enter combustion liner 20, the hole in the one-tenth angie type outer wall 21/22 of Venturi tube 23.
As mentioned above, for Venturi tube arranges comparatively costliness of this double-walled structure.Double-walled structure is difficult to manufacture, and owing to being used for forming a plurality of angles and the parts of this double-walled Venturi tube, therefore can there is leakage and the damage of each part.
Fig. 2 shows for comprising a kind of alternative construction of the combustion liner of Venturi tube.In this structure, comprise that the whole combustion liner of Venturi tube is formed by single wall-like structure, this list wall-like structure extends to tail end from the head end of burner.As shown in Figure 2, combustion liner 20 still by 30 of flow sleeves around, and the annular space of still flowing through between combustion liner 20 and flow sleeve 30 from the compressed air of compressor section 12.
In the combustion liner 20 shown in Fig. 2, Venturi tube 22 becomes angie type wall to form by two, and these two become angie type wall to divide 28 along the length formation reduced diameter portion of single wall formula combustion liner 20.Along the mobile compressed air of the annular space between combustion liner 20 and flow sleeve 30, by the outside of cool burner lining 20, this combustion liner 20 comprises that the reduced diameter portion that forms Venturi tube divides 28.
In order to ensure air stream, through guiding downward arrival reduced diameter portion to divide 28 outside, burner can comprise air deflector 70.In the embodiment shown in Figure 2, air deflector 70 comprises that two become angie type walls, and these two become angie type walls and formation combustion liner 20 reduced diameter portion to divide 28 two to become angie type wall almost parallel and aligning.The part air that air deflector deflected stream is crossed the annular space between combustion liner 20 and flow sleeve 30 enters reduced diameter portion downwards and divides the outer wall with the Venturi tube part of cooling single wall formula combustion liner 20.
As mentioned above, and return referring to accompanying drawing 1, double-walled venturi tube structure finally causes just in the position in Venturi tube inwall 24 tail end 27 downstreams, being transported to the combustion zone 95 of embodiment shown in Fig. 1 from the part air of compressor section.In order to provide similar air to flow in this position, in the embodiment shown in Figure 2, through single wall formula combustion liner 20, can form a plurality of dilution holes 74.
In the embodiment shown in Figure 2, dilution holes 74 forms ring-type around the outside of combustion liner 20.This allows air, and at certain position place, the annular space between combustion liner 20 and flow sleeve 30 flow into the inside of combustion liner 20, and this certain position is with roughly similar by the position of having carried for the cooling-air of cooling Venturi tube embodiment illustrated in fig. 1.Like this, being included in dilution holes 74 in embodiment illustrated in fig. 2 causes as in the embodiment shown in fig. 1 by the roughly similar combustion parameter presenting.
For deflecting down cooling-air, to the reduced diameter portion of single wall formula combustion liner 20, divide the air deflector 70 on 28 outsides can adopt multiple different form.Fig. 3 shows an embodiment, wherein, air deflector 70 forms two straight sections at an angle to each other, and wherein, these two straight sections are roughly parallel to and form the one-tenth angie type section 73,75 that single wall formula combustion liner 20 reduced diameter portion of Venturi tube are divided, and this embodiment is roughly similar to the embodiment shown in Fig. 2.
Combustion liner shown in Fig. 3 also comprises a plurality of flow spoiler rings 76.Flow spoiler ring 76 is for being formed on the projection on the outer surface of single wall formula combustion liner 20.Flow spoiler ring 76 extends around the outside of combustion liner 20.As shown in Figure 3, a plurality of this kind of flow spoiler rings 76 can be spaced apart from each other along the end section of combustion liner 20.
Flow spoiler ring flows through the annular space between combustion liner 20 and flow sleeve 30 compressed air for impelling forms turbulent air flow.Turbulent air flow contributes to strengthen the cooling effect being provided by this air, thereby reduces the bulk temperature of combustion liner 20.
Although the embodiment shown in Fig. 3 comprises even isolated five the flow spoiler rings of end section along combustion liner 20, the flow spoiler ring of varying number also can be set, and they can be differently spaced apart.And, replace, on the outside of combustion liner, projection is set, also by possible, thereby grooving strengthens cooling effect with turbulization air stream in the surface of combustion liner 20.In certain embodiments, can adopt groove and protruding combination to carry out turbulization air stream.No matter further, be different from concentric ring is set, be projection or depression, can also arrange and around the outside of combustion liner, not form a plurality of discrete raised or sunken of ring.
Embodiment shown in Fig. 4 is similar to the embodiment shown in Fig. 3.Yet in the embodiment shown in fig. 4, air deflector 70 comprises sweep, rather than straight one-tenth angie type part.Crooked air deflector can contribute to compressed-air actuated flowing as shown in Figure 4, or reduces flow resistance.
In addition, in the embodiment shown in fig. 4, the tail end of air deflector 70 extends beyond with head end the tail end that becomes angie type wall 73/75 and the head end that forms Venturi tube.Also will be likely, change any other parts of the disclosed embodiments, make the end of air deflector extend beyond head end and the tail end of Venturi tube.
In the embodiment shown in fig. 5, air deflector 70 is formed by the single straight section that is arranged on Venturi tube tail end place.In the view providing at Fig. 5 along the mobile air of annular space between combustion liner 20 and flow sleeve 30, will flow left.Like this, the air deflector in Fig. 5 70 deflects down part air stream by the one-tenth angie type part 73 and 75 being used for by Venturi tube and enters in the depression being formed on combustion liner 20 outsides.One denier air deflects down by this way, will realize most of cooling effect that the air stream by deflection provides.Like this, may need not arrange more than any object of the little air deflector 70 shown in Fig. 5 to reach well cooling that combustion liner 20 reduced diameter portion divide.
Fig. 6 shows and another embodiment similar shown in Fig. 5.Yet in the embodiment shown in fig. 6, the tail end of air deflector 70 is further caudad just extending upward than the rear wall of Venturi tube 75.In addition, the head end of air deflector 70 does not extend as the tail end of Venturi tube becomes angie type wall 75 in head-end direction always.And the air deflector slight curvature shown in Fig. 6 is to help leader air stream to divide to the reduced diameter portion of combustion liner 20 with the direction of expection.
Fig. 7 shows another embodiment of single wall formula combustion liner 20, and this single wall formula combustion liner 20 comprises by two one-tenth angie type wall 73,75 formed Venturi tubes.In this embodiment, air deflector is not set.Even be enough to coolingly become angie type wall 73,75 formed reduced diameter portion to divide by these two along the air stream of combustion liner outside.
This arranges flow spoiler ring 76 (or other analog structure) may be favourable at this position turbulization air stream for the tail end place dividing in reduced diameter portion.At this position turbulization air stream, can contribute to make part air stream to be deflected downwards to by one-tenth angie type wall 73, the 75 formed reduced diameter portion of Venturi tube divides.
Although the present invention is in conjunction with thinking that the most practical and preferred embodiment are described at present, but be to be understood that, the present invention is not limited to the disclosed embodiments, but in contrast, the present invention is intended to contain various modifications and the equivalent arrangements in the spirit and scope that are included in appended claims.
Claims (9)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/708,736 US8646277B2 (en) | 2010-02-19 | 2010-02-19 | Combustor liner for a turbine engine with venturi and air deflector |
US12/708736 | 2010-02-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102213425A CN102213425A (en) | 2011-10-12 |
CN102213425B true CN102213425B (en) | 2014-11-19 |
Family
ID=44356946
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201110087119.3A Expired - Fee Related CN102213425B (en) | 2010-02-19 | 2011-02-18 | Combustor liners for turbine engines |
Country Status (5)
Country | Link |
---|---|
US (1) | US8646277B2 (en) |
JP (1) | JP5911672B2 (en) |
CN (1) | CN102213425B (en) |
CH (1) | CH702738B1 (en) |
DE (1) | DE102011000788A1 (en) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20120047895A1 (en) * | 2010-08-26 | 2012-03-01 | General Electric Company | Systems and apparatus relating to combustor cooling and operation in gas turbine engines |
US9134028B2 (en) * | 2012-01-18 | 2015-09-15 | Pratt & Whitney Canada Corp. | Combustor for gas turbine engine |
US20130318986A1 (en) * | 2012-06-05 | 2013-12-05 | General Electric Company | Impingement cooled combustor |
US9664390B2 (en) | 2012-07-09 | 2017-05-30 | Ansaldo Energia Switzerland AG | Burner arrangement including an air supply with two flow passages |
US9897317B2 (en) * | 2012-10-01 | 2018-02-20 | Ansaldo Energia Ip Uk Limited | Thermally free liner retention mechanism |
US9869279B2 (en) * | 2012-11-02 | 2018-01-16 | General Electric Company | System and method for a multi-wall turbine combustor |
US20150362192A1 (en) * | 2013-01-17 | 2015-12-17 | United Technologies Corporation | Gas turbine engine combustor liner assembly with convergent hyperbolic profile |
CN103528094B (en) * | 2013-07-10 | 2015-04-08 | 辽宁省燃烧工程技术中心(有限公司) | Dry-type low-nitrogen combustion device for gas fuel of gas turbine |
US9625158B2 (en) * | 2014-02-18 | 2017-04-18 | Dresser-Rand Company | Gas turbine combustion acoustic damping system |
JP6267085B2 (en) * | 2014-09-05 | 2018-01-24 | 三菱日立パワーシステムズ株式会社 | Gas turbine combustor |
CN104654297B (en) * | 2014-12-24 | 2017-04-05 | 二重集团(德阳)重型装备股份有限公司 | Flame heats shower nozzle |
US10253690B2 (en) * | 2015-02-04 | 2019-04-09 | General Electric Company | Turbine system with exhaust gas recirculation, separation and extraction |
US10316746B2 (en) * | 2015-02-04 | 2019-06-11 | General Electric Company | Turbine system with exhaust gas recirculation, separation and extraction |
US10465907B2 (en) * | 2015-09-09 | 2019-11-05 | General Electric Company | System and method having annular flow path architecture |
US10228141B2 (en) | 2016-03-04 | 2019-03-12 | General Electric Company | Fuel supply conduit assemblies |
US10203114B2 (en) * | 2016-03-04 | 2019-02-12 | General Electric Company | Sleeve assemblies and methods of fabricating same |
US10337738B2 (en) * | 2016-06-22 | 2019-07-02 | General Electric Company | Combustor assembly for a turbine engine |
US11022313B2 (en) | 2016-06-22 | 2021-06-01 | General Electric Company | Combustor assembly for a turbine engine |
US10655859B2 (en) | 2017-01-11 | 2020-05-19 | Honeywell International Inc. | Turbine scroll assembly for gas turbine engine |
US10598380B2 (en) | 2017-09-21 | 2020-03-24 | General Electric Company | Canted combustor for gas turbine engine |
US11306918B2 (en) * | 2018-11-02 | 2022-04-19 | Chromalloy Gas Turbine Llc | Turbulator geometry for a combustion liner |
JP7132096B2 (en) * | 2018-11-14 | 2022-09-06 | 三菱重工業株式会社 | gas turbine combustor |
US11181269B2 (en) | 2018-11-15 | 2021-11-23 | General Electric Company | Involute trapped vortex combustor assembly |
US11079111B2 (en) | 2019-04-29 | 2021-08-03 | Solar Turbines Incorporated | Air tube |
CN116265810A (en) * | 2021-12-16 | 2023-06-20 | 通用电气公司 | Swirler counter dilution with shaped cooling fence |
US11835236B1 (en) | 2022-07-05 | 2023-12-05 | General Electric Company | Combustor with reverse dilution air introduction |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3907489A (en) * | 1974-10-03 | 1975-09-23 | Selas Corp Of America | Noise suppressor for burner |
US3927958A (en) * | 1974-10-29 | 1975-12-23 | Gen Motors Corp | Recirculating combustion apparatus |
US5454221A (en) * | 1994-03-14 | 1995-10-03 | General Electric Company | Dilution flow sleeve for reducing emissions in a gas turbine combustor |
CN1637248A (en) * | 2004-01-06 | 2005-07-13 | 通用电气公司 | Apparatus and methods for minimizing and/or eliminating dilution air leakage in a combustion liner assembly |
CN101349425A (en) * | 2007-07-16 | 2009-01-21 | 通用电气公司 | Apparatus/method for cooling combustion chamber/venturi in a low NOx combustor |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3938324A (en) * | 1974-12-12 | 1976-02-17 | General Motors Corporation | Premix combustor with flow constricting baffle between combustion and dilution zones |
US4292801A (en) * | 1979-07-11 | 1981-10-06 | General Electric Company | Dual stage-dual mode low nox combustor |
US4845940A (en) * | 1981-02-27 | 1989-07-11 | Westinghouse Electric Corp. | Low NOx rich-lean combustor especially useful in gas turbines |
US5117636A (en) * | 1990-02-05 | 1992-06-02 | General Electric Company | Low nox emission in gas turbine system |
US5253478A (en) * | 1991-12-30 | 1993-10-19 | General Electric Company | Flame holding diverging centerbody cup construction for a dry low NOx combustor |
US6427446B1 (en) * | 2000-09-19 | 2002-08-06 | Power Systems Mfg., Llc | Low NOx emission combustion liner with circumferentially angled film cooling holes |
EP1461520A4 (en) * | 2001-11-30 | 2010-04-14 | Power Systems Mfg Llc | COMBUSTION CHAMBER / VENTURI COOLING FOR LOW NOX EMISSION COMBUSTION DEVICE |
US6772595B2 (en) * | 2002-06-25 | 2004-08-10 | Power Systems Mfg., Llc | Advanced cooling configuration for a low emissions combustor venturi |
US6865892B2 (en) * | 2002-12-17 | 2005-03-15 | Power Systems Mfg, Llc | Combustion chamber/venturi configuration and assembly method |
US7389643B2 (en) * | 2005-01-31 | 2008-06-24 | General Electric Company | Inboard radial dump venturi for combustion chamber of a gas turbine |
US7513115B2 (en) * | 2005-05-23 | 2009-04-07 | Power Systems Mfg., Llc | Flashback suppression system for a gas turbine combustor |
US8028529B2 (en) * | 2006-05-04 | 2011-10-04 | General Electric Company | Low emissions gas turbine combustor |
US8707704B2 (en) | 2007-05-31 | 2014-04-29 | General Electric Company | Method and apparatus for assembling turbine engines |
US20090053054A1 (en) * | 2007-08-20 | 2009-02-26 | General Electric Company | LEAKAGE REDUCING VENTURI FOR DRY LOW NITRIC OXIDES (NOx) COMBUSTORS |
US7712314B1 (en) * | 2009-01-21 | 2010-05-11 | Gas Turbine Efficiency Sweden Ab | Venturi cooling system |
-
2010
- 2010-02-19 US US12/708,736 patent/US8646277B2/en active Active
-
2011
- 2011-02-16 JP JP2011030463A patent/JP5911672B2/en not_active Expired - Fee Related
- 2011-02-17 DE DE102011000788A patent/DE102011000788A1/en not_active Ceased
- 2011-02-18 CH CH00289/11A patent/CH702738B1/en unknown
- 2011-02-18 CN CN201110087119.3A patent/CN102213425B/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3907489A (en) * | 1974-10-03 | 1975-09-23 | Selas Corp Of America | Noise suppressor for burner |
US3927958A (en) * | 1974-10-29 | 1975-12-23 | Gen Motors Corp | Recirculating combustion apparatus |
US5454221A (en) * | 1994-03-14 | 1995-10-03 | General Electric Company | Dilution flow sleeve for reducing emissions in a gas turbine combustor |
CN1637248A (en) * | 2004-01-06 | 2005-07-13 | 通用电气公司 | Apparatus and methods for minimizing and/or eliminating dilution air leakage in a combustion liner assembly |
CN101349425A (en) * | 2007-07-16 | 2009-01-21 | 通用电气公司 | Apparatus/method for cooling combustion chamber/venturi in a low NOx combustor |
Also Published As
Publication number | Publication date |
---|---|
JP2011169576A (en) | 2011-09-01 |
CH702738B1 (en) | 2015-06-15 |
CH702738A2 (en) | 2011-08-31 |
US20110203287A1 (en) | 2011-08-25 |
JP5911672B2 (en) | 2016-04-27 |
DE102011000788A1 (en) | 2011-08-25 |
US8646277B2 (en) | 2014-02-11 |
CN102213425A (en) | 2011-10-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102213425B (en) | Combustor liners for turbine engines | |
CN102192525B (en) | Angled vanes in combustor flow sleeve | |
KR102325910B1 (en) | Split Annular Combustion System Using Axial Fuel Staging | |
CN108870442B (en) | Dual fuel injectors and methods of use in gas turbine combustors | |
US7509809B2 (en) | Gas turbine engine combustor with improved cooling | |
CN102418928B (en) | For the fuel nozzle assembly of combustion gas turbine systems | |
US8904796B2 (en) | Flashback resistant tubes for late lean injector and method for forming the tubes | |
EP3282191B1 (en) | Pilot premix nozzle and fuel nozzle assembly | |
JP6736284B2 (en) | Premix fuel nozzle assembly | |
CN107191971A (en) | Classification fuel and air ejector in the combustion system of combustion gas turbine | |
CN108266754A (en) | Fuel injector and the application method in gas-turbine combustion chamber | |
CN109114592B (en) | Combustion system and method for producing combustion products with premixed flame characteristics | |
US20120117976A1 (en) | Apparatus and method for igniting a combustor | |
US9518742B2 (en) | Premixer assembly for mixing air and fuel for combustion | |
JP2012112642A (en) | Combustor premixer | |
JP7154829B2 (en) | Liquid fuel cartridge unit for gas turbine combustor and assembly method | |
CN102588973A (en) | Pegless secondary fuel nozzle | |
US12305860B2 (en) | Bundled tube fuel nozzle assembly for gas turbine combustor | |
CN116412414A (en) | Turbine Engine Fuel Premixer | |
US8893502B2 (en) | Augmentor spray bar with tip support bushing | |
US20240230096A1 (en) | Method of operating gas turbine combustor with multiple fuel stages |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20240111 Address after: Swiss Baden Patentee after: GENERAL ELECTRIC CO. LTD. Address before: New York, United States Patentee before: General Electric Co. |
|
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141119 |